\hypertarget{class_data_base}{\section{Data\+Base类 参考}
\label{class_data_base}\index{Data\+Base@{Data\+Base}}
}


数据库抽象类.  




{\ttfamily \#include $<$Data\+Base.\+h$>$}

类 Data\+Base 继承关系图\+:\begin{figure}[H]
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\includegraphics[height=2.000000cm]{class_data_base}
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\subsection*{Public 成员函数}
\begin{DoxyCompactItemize}
\item 
\hypertarget{class_data_base_abed2553a9c668391897bdffe2a2dddc0}{virtual sint32 {\bfseries open} (std\+::string db\+Name)=0}\label{class_data_base_abed2553a9c668391897bdffe2a2dddc0}

\item 
\hypertarget{class_data_base_a9da27b6bf6737a4653fa167654a2936e}{virtual sint32 {\bfseries connect} (std\+::string user, std\+::string passwd)=0}\label{class_data_base_a9da27b6bf6737a4653fa167654a2936e}

\item 
\hypertarget{class_data_base_aa54a4f598d84a87a8bbd02fad8af22e8}{virtual sint32 {\bfseries close} ()=0}\label{class_data_base_aa54a4f598d84a87a8bbd02fad8af22e8}

\item 
\hypertarget{class_data_base_a7198af4aaaf8c2bc108311e2893d0e19}{virtual sint32 {\bfseries exec} (const std\+::string \&sql, \hyperlink{struct_sql_result___s}{Sql\+Result\+\_\+\+S} $\ast$result=N\+U\+L\+L)=0}\label{class_data_base_a7198af4aaaf8c2bc108311e2893d0e19}

\item 
\hypertarget{class_data_base_a5d6e0bb607c8249495e12a9cc82165d2}{virtual sint32 {\bfseries insert\+Blob} (const std\+::string \&sql, std\+::string bind\+Var\+Name, char $\ast$buf, sint32 len)=0}\label{class_data_base_a5d6e0bb607c8249495e12a9cc82165d2}

\item 
\hypertarget{class_data_base_aa2c835dc1e747d884fab9cfbb1025708}{virtual sint32 {\bfseries select\+Blob} (const std\+::string \&sql, std\+::string bind\+Var\+Name, char $\ast$buf, sint32 \&len)=0}\label{class_data_base_aa2c835dc1e747d884fab9cfbb1025708}

\end{DoxyCompactItemize}


\subsection{详细描述}
数据库抽象类. 

该类的文档由以下文件生成\+:\begin{DoxyCompactItemize}
\item 
libemb/inc/\hyperlink{_data_base_8h}{Data\+Base.\+h}\end{DoxyCompactItemize}
